Scientific Collaboration in Chinese Nursing Research: A Social Network Analysis Study.

Collaboration has become very important in research and in technological progress. Coauthorship networks in different fields have been intensively studied as an important type of collaboration in recent years. Yet there are few published reports about collaboration in the field of nursing.

[Expression of cyclooxygenase-2 in the testes and epididymides of adult male rats].

Objective: To investigate the expression of cyclooxygenase-2 (cox-2) in the testes and epididymides of adult male rats and its significance.

Methods: Immunohistochemical staining was used to detect the expression and localization of cox-2 in the testicle and epididymal tissues of 40 adult male SD rats.

Results: Strong cox-2 immunoreactivity was detected in the epididymides and testes of the rats.